Study on the Accuracy of Intraocular Lens Calculation Formula

Zhejiang University

Status: Enrolling

Conditions: the Accuracy of Intraocular Lens Calculation Formula

Treatments: Other: Several Calculation Formulas of Intraocular Lens

Study type: Observational

Funder types: Other

Identifiers

NCT05672693

2022-1059

Details and patient eligibility

About

In this study, we will retrospectively collect patients who have performed phacoemulsification combined with intraocular lens implantation in our hospital, collect various preoperative biometric data and postoperative refractive data of patients, conduct statistical analysis, and compare the accuracy of various IOL calculation formulas.

Enrollment: 500 estimated patients

Sex: All

Ages: 18 to 90 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• (1) Conform to the diagnosis of cataract; (2) No complications occurred during and after operation; (3) Before and after operation, the measurement of ocular biological characteristics and refractive state can be successfully completed; (4) Patients who can be followed up regularly after operation.

Exclusion criteria

• (1) Serious intraoperative or postoperative complications; (2) Complicated with other eye diseases unsuitable for intraocular lens implantation; (3) Patients with systemic diseases cannot tolerate surgery; (4) Patients with incomplete follow-up data.